init learning cats

storage/database.py

@@ -0,0 +1,23 @@
+from sqlalchemy import create_engine
+from sqlalchemy.orm import scoped_session, sessionmaker
+from sqlalchemy.ext.declarative import declarative_base
+from config import Config
+from database_mbase import MyBase
+import os
+f=file('config.cfg')
+cfg=Config(f)
+
+
+if cfg.get("db_main_type") == "mysql":
+    engine = create_engine("mysql+pymysql://%s:%s@localhost/crawler_articles?charset=utf8" % (cfg.get("db_main_user"), cfg.get("db_main_pw"))) 
+else:
+    engine = create_engine('sqlite:///'+ os.path.join(cfg.db_path,cfg.db_mainfile), convert_unicode=True)
+
+
+db_session = scoped_session(sessionmaker(autocommit=False,#  autoflush=False,
+                                         bind=engine))
+
+Base=declarative_base(cls=MyBase)                                         
+def init_db():
+    import models
+    Base.metadata.create_all(bind=engine)